Home / 28,596.41-42,900.35-9,877.13

Finding the Fourth Proportional to 28,596.41, 42,900.35 and 9,877.13

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Solution

The fourth proportional to 28,596.41, 42,900.35 and 9,877.13 is: 14,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.41 : 42,900.35 = 9,877.13 : x
  2. Step 2: Convert to fraction form
    28,596.41/42,900.35 = 9,877.13/x
  3. Step 3: Cross multiply
    28,596.41x = 42,900.35 × 9,877.13
  4. Step 4: Simplify right side
    28,596.41x = 423,732,334.00
  5. Step 5: Solve for x
    x = 423,732,334.00/28,596.41
  6. Step 6: Final answer
    x = 14,817.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.